
Concept explainers
The centroidal mass moment of inertia.
The centroidal radius of gyration.

Answer to Problem 19.159RP
The centroidal mass moment of inertia is
The centroidal radius of gyration is
Explanation of Solution
Given information:
The weight of the wheel is
Write the expression for the centroidal moment of inertia.
Here, the torsional spring constant is
Write the expression for the centroidal radius of the gyration.
Here, the acceleration due to gravity is
Calculation:
Substitute
Substitute
Conclusion:
The centroidal mass moment of inertia is
The centroidal radius of gyration is
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Chapter 19 Solutions
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